arm: zynq: Migrate platform to clock controller
Migrate the Zynq platform and its drivers to use the new clock
controller driver.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 14fb2e6..0dbee2c 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -49,16 +49,18 @@
uart0: uart@e0000000 {
compatible = "xlnx,xuartps";
+ clocks = <&clkc 23>, <&clkc 40>;
+ clock-names = "ref_clk", "aper_clk";
reg = <0xE0000000 0x1000>;
interrupts = <0 27 4>;
- clocks = <&uart_clk 0>;
};
uart1: uart@e0001000 {
compatible = "xlnx,xuartps";
+ clocks = <&clkc 24>, <&clkc 41>;
+ clock-names = "ref_clk", "aper_clk";
reg = <0xE0001000 0x1000>;
interrupts = <0 50 4>;
- clocks = <&uart_clk 1>;
};
slcr: slcr@f8000000 {
@@ -69,50 +71,21 @@
#address-cells = <1>;
#size-cells = <0>;
- ps_clk: ps_clk {
- #clock-cells = <0>;
- compatible = "fixed-clock";
- /* clock-frequency set in board-specific file */
- clock-output-names = "ps_clk";
- };
- armpll: armpll {
- #clock-cells = <0>;
- compatible = "xlnx,zynq-pll";
- clocks = <&ps_clk>;
- reg = <0x100 0x110>;
- clock-output-names = "armpll";
- };
- ddrpll: ddrpll {
- #clock-cells = <0>;
- compatible = "xlnx,zynq-pll";
- clocks = <&ps_clk>;
- reg = <0x104 0x114>;
- clock-output-names = "ddrpll";
- };
- iopll: iopll {
- #clock-cells = <0>;
- compatible = "xlnx,zynq-pll";
- clocks = <&ps_clk>;
- reg = <0x108 0x118>;
- clock-output-names = "iopll";
- };
- uart_clk: uart_clk {
+ clkc: clkc {
#clock-cells = <1>;
- compatible = "xlnx,zynq-periph-clock";
- clocks = <&iopll &armpll &ddrpll>;
- reg = <0x154>;
- clock-output-names = "uart0_ref_clk",
- "uart1_ref_clk";
- };
- cpu_clk: cpu_clk {
- #clock-cells = <1>;
- compatible = "xlnx,zynq-cpu-clock";
- clocks = <&iopll &armpll &ddrpll>;
- reg = <0x120 0x1C4>;
- clock-output-names = "cpu_6x4x",
- "cpu_3x2x",
- "cpu_2x",
- "cpu_1x";
+ compatible = "xlnx,ps7-clkc";
+ ps-clk-frequency = <33333333>;
+ clock-output-names = "armpll", "ddrpll", "iopll", "cpu_6or4x",
+ "cpu_3or2x", "cpu_2x", "cpu_1x", "ddr2x", "ddr3x",
+ "dci", "lqspi", "smc", "pcap", "gem0", "gem1",
+ "fclk0", "fclk1", "fclk2", "fclk3", "can0", "can1",
+ "sdio0", "sdio1", "uart0", "uart1", "spi0", "spi1",
+ "dma", "usb0_aper", "usb1_aper", "gem0_aper",
+ "gem1_aper", "sdio0_aper", "sdio1_aper",
+ "spi0_aper", "spi1_aper", "can0_aper", "can1_aper",
+ "i2c0_aper", "i2c1_aper", "uart0_aper", "uart1_aper",
+ "gpio_aper", "lqspi_aper", "smc_aper", "swdt",
+ "dbg_trc", "dbg_apb";
};
};
};
@@ -121,9 +94,8 @@
interrupt-parent = <&intc>;
interrupts = < 0 10 4 0 11 4 0 12 4 >;
compatible = "cdns,ttc";
+ clocks = <&clkc 6>;
reg = <0xF8001000 0x1000>;
- clocks = <&cpu_clk 3>;
- clock-names = "cpu_1x";
clock-ranges;
};
@@ -131,9 +103,8 @@
interrupt-parent = <&intc>;
interrupts = < 0 37 4 0 38 4 0 39 4 >;
compatible = "cdns,ttc";
+ clocks = <&clkc 6>;
reg = <0xF8002000 0x1000>;
- clocks = <&cpu_clk 3>;
- clock-names = "cpu_1x";
clock-ranges;
};
scutimer: scutimer@f8f00600 {
@@ -141,7 +112,7 @@
interrupts = < 1 13 0x301 >;
compatible = "arm,cortex-a9-twd-timer";
reg = < 0xf8f00600 0x20 >;
- clocks = <&cpu_clk 1>;
+ clocks = <&clkc 4>;
} ;
};
};